Sahih al-Bukhari 5514
صحيح البخاري#5514SahihNarrated Ibn `Umar:that he entered upon Yahya bin Sa`id while one of Yahya's sons was aiming at a hen after tying it. Ibn `Umar walked to it and untied it. Then he brought it and the boy and said. "Prevent your boys from tying the birds for the sake of killing them, as I have heard the Prophet (ﷺ) forbidding the killing of an animal or other living thing after tying them
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 72:40